3113121145 has 16 divisors (see below), whose sum is σ = 3892392000. Its totient is φ = 2387302848.

The previous prime is 3113121119. The next prime is 3113121149. The reversal of 3113121145 is 5411213113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3113121145 - 2²⁹ = 2576250233 is a prime.

It is a super-2 number, since 2×3113121145² = 19383046526892222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3113121149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57075 + ... + 97384.

It is an arithmetic number, because the mean of its divisors is an integer number (243274500).

Almost surely, 2^3113121145 is an apocalyptic number.

It is an amenable number.

3113121145 is a deficient number, since it is larger than the sum of its proper divisors (779270855).

3113121145 is a wasteful number, since it uses less digits than its factorization.

3113121145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154632.

The product of its digits is 360, while the sum is 22.

The square root of 3113121145 is about 55795.3505679461. The cubic root of 3113121145 is about 1460.1540378228.

Adding to 3113121145 its reverse (5411213113), we get a palindrome (8524334258).

The spelling of 3113121145 in words is "three billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred forty-five".